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USGS Surface-Water Daily Statistics for Oklahoma

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The statistics generated from this site are based on approved daily-mean data and may not match those published by the USGS in official publications. The user is responsible for assessment and use of statistics from this site. For more details on why the statistics may not match, click here.

USGS 07338750 Mountain Fork at Smithville, OK


Mccurtain County, Oklahoma
Hydrologic Unit Code 11140108
Latitude  34°27'44", Longitude  94°38'06" NAD27
Drainage area 322  square miles
Contributing drainage area 322  square miles
Gage datum 665.45 feet above NAVD88
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00060, Discharge, cubic feet per second,
Day of
month		 Mean of daily mean values for each day for water year of record in, ft3/s   (Calculation Period 1991-10-01 -> 2024-09-30)

Calculation period restricted by USGS staff due to special conditions at/near site
Jan Feb Mar Apr May Jun Jul Aug Sep Oct Nov Dec
1 1,040 636 979 820 1,110 794 215 123 659 42 669 874
2 700 565 851 610 1,530 656 168 96 401 128 384 641
3 1,120 487 1,250 837 1,510 534 604 81 457 162 264 1,130
4 1,230 667 870 1,140 1,010 497 234 70 198 72 319 828
5 976 814 765 1,120 819 394 203 59 101 240 1,030 741
6 742 620 571 794 1,130 489 161 78 69 1,110 1,380 634
7 775 691 590 750 606 499 148 82 51 271 885 535
8 674 1,470 708 1,050 1,110 749 127 136 41 156 477 500
9 549 843 1,260 521 1,530 660 271 177 347 383 450 1,070
10 637 605 1,240 667 1,430 464 310 95 142 289 462 729
11 1,320 1,000 1,250 725 1,200 418 475 122 147 332 315 512
12 693 1,110 1,120 808 1,130 327 215 313 157 195 277 829
13 1,150 847 1,270 859 885 230 244 212 101 342 300 1,460
14 1,050 866 986 1,150 720 444 326 259 284 285 417 1,100
15 870 972 797 894 640 323 223 178 149 365 385 1,640
16 517 1,350 1,030 592 527 234 137 96 297 386 491 1,690
17 639 867 903 518 944 306 191 89 575 249 698 1,300
18 528 616 1,370 895 592 284 188 89 190 207 520 615
19 453 510 2,610 647 711 225 115 88 338 397 437 570
20 426 617 2,100 755 1,320 237 79 263 321 838 530 522
21 496 1,400 1,040 702 843 483 117 136 305 264 741 766
22 525 971 858 673 664 676 93 71 634 337 1,180 648
23 793 919 740 661 508 371 58 60 241 265 536 596
24 736 1,080 872 774 1,050 501 66 69 158 193 1,160 1,070
25 1,070 916 1,300 1,880 1,020 198 55 45 135 192 649 882
26 1,110 812 851 1,360 1,270 780 55 38 98 400 402 585
27 837 690 791 933 559 379 163 51 105 434 840 1,820
28 609 840 746 677 1,010 233 73 222 78 576 1,200 1,650
29 595 336 676 1,290 686 323 61 68 64 879 778 667
30 617   716 1,490 752 289 66 384 50 727 942 774
31 912   916   832   159 96   541   901